Modeling and Performance Analysis with Simulation SS 2012

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1 Modeling and Performance Analysis with Simulation SS 2012 Prof. Dr. Mesut Güneş Distributed Embedded Systems Freie Universität Berlin, Germany 0.1

2 Chapter 0 Motivation, why Simulation?, and some organizational issues 0.2

Structure/content of CST-Lectures + Semester Bachelor Master Praktikum Mobilkommunikation Medienzugriff, Mobile IP, Mobiles Web Seminar Technische Informatik Forschung in Mobilkommunikation,

Mikrocontroller, Steuerungssysteme Telematik Protokolle, Dienste, Standards, LAN, Internet, TCP/IP, WWW, Sicherheit, ISDN/IN/ATM, Dienstgüte, Multimedia, IPv6, MPLS Praktikum Technische Informatik

3 Structure/content of CST-Lectures + Semester Bachelor Master Praktikum Mobilkommunikation Medienzugriff, Mobile IP, Mobiles Web Seminar Technische Informatik Forschung in Mobilkommunikation, eingebettete Systeme, Internet Simulation Modellierung und Bewertung von Systemen mit Hilfe von Simulationstechniken + Mikroprozessorpraktikum Programmierung eingebetteter Systeme, mobile Endgeräte, Mikrocontroller, Steuerungssysteme Telematik Protokolle, Dienste, Standards, LAN, Internet, TCP/IP, WWW, Sicherheit, ISDN/IN/ATM, Dienstgüte, Multimedia, IPv6, MPLS Praktikum Technische Informatik (TI IV) Eingebettete Systeme, Schnittstellen, Treiber, Betriebssystem programmieren, vernetzen, interagieren Betriebs- und Kommunikationssysteme (TI III) Ein-/Ausgabe, DMA/PIO, Unterbrechungen, Puffer, Prozesse/Threads, UNIX/Windows, Netze, Medienzugriff, Protokolle, TCP/IP, Internet Rechnerarchitektur (TI II) Harvard/v. Neumann, Mikroarchitektur, RISC/CISC, VLIW, Pipelining, Cache, Speicherhierarchie, Assembler, Multiprozessorsysteme Grundlagen der Technischen Informatik (TI I) Schaltnetze, Schaltwerke, Logikminimierung, Gatter, Speicher, Halbleiter, Transistoren, CMOS, AD/DA-Umsetzer Embedded Sensor Web Projekte rund um Sensornetze Mobilkommunikation Drahtlose Übertragung, Medienzugriff, GSM, 3G, WLAN, Mobile IP, Ad-hoc-Netze, WAP 0.3

4 Research topics Network architectures and communication protocols Wired networks Local Area Network (LAN) Internet Wireless networks GSM, 3GPP, UMTS, LTE Wireless Local Area Network (WLAN) Mobile Ad-hoc Network (MANET) Wireless Mesh Network (WMN) Wireless Sensor Network (WSN) Protocols HTTP, TCP/UDP, IP IEEE a,b,g Internet of Things Anytime, Anywhere, Anything Sensor Internet MANET 0.4

5 Topics of this course Given a system, how do you evaluate its performance? System How to evaluate? Measurements Analysis Simulation 0.5

6 Why a course about simulation? A survey of 2246 research papers on networks ( ) About 51% of papers reported results from simulation Pawlikowski et al., On Credibility of Simulation Studies of Telecommunication Networks, IEEE Comms., Jan Prof. Dr. Mesut Güneş Ch. 1 Introduction to Simulation 0.6

7 Why a course about simulation? Survey of all 151 papers published in Proceedings of the ACM International Symposium on Mobile Ad Hoc Networking and Computing in About 75.5% of the papers reported results from simulation S. Kurowski et al. MANET Simulation Studies: The Incredibles, Mobile Computing and Communications Review., no. 4,

8 Topics of this course What is a system? What is a model? What is an experiment? What is performance and how to measure it? On what does performance depend? How to build a model? How to numerically evaluate it? How to interpret such results? 0.8

9 Topics of this course At the end of this course, you should know about simulation principles be able to build models of systems be able to identify suitable performance metrics be able to design and implement simple discrete event simulation programs have some experience with a modern simulation tool be able to design effective experiments be familiar with basic statistical questions know how to evaluate (simulation) experiment results be aware of common pitfalls Focus is on practical aspects of implementing a simulator and simulation programs. 0.9

10 Topics of this course This course does not deal with/is not a... mathematical analysis tools for performance evaluation experimental approaches probability and statistics course programming course computer networking course However, all these topics will be touched or needed in some degree. 0.10

11 Prerequisities Basics of probability theory and statistics Programming language Python C/C++ Java Package for statistical computations R Octave Numpy/Scipy Spreadsheet tools OpenOffice.Calc MS Excel Knowledge about Data communication and computer networks 0.11

12 Contents of the course Chapter Topic 1 Introduction to simulation 2 Simulation examples 3 General principles of discrete-event simulations 4 Introduction to network simulators 5 Statistical models in simulations 6 Random-number generation 7 Random-variate generation 8 Queuing models 9 Input modeling 10 Verification and validation of simulation models 11 Output analysis for a single model 12 Comparison and evaluation of alternative system designs 13 Design of experiments 0.12

Prentice Hall Fifth Edition, 2010, Prentice Hall General book on simulation

13 Literature Main source of this course: Jerry Banks, John Carson, Barry L. Nelson, David Nicol: Discrete-Event System Simulation, Fourth Edition, 2005, Prentice Hall Fifth Edition, 2010, Prentice Hall General book on simulation with applications on Manufacturing Computer systems Communication networks 0.13

14 Literature Second source of this course: Averill M. Law: Simulation Modeling and Analysis, 2007, McGrawHill General book on simulation Detailed information about the basics 0.14

15 Literature Additional source of this course: Raj Jain: The Art of Computer Systems Performance Analysis, 1991, John Wiley & Sons General book on performance analysis, deals with Measurements Simulation Queueing theory Experiment design 0.15

Literature Additional source of this course: Klaus Wehrle, Mesut Güneş, James Gross: Modeling and Tools for Network Simulation, 2010, Springer, ISBN 978-3-642-12330-6

16 Literature Additional source of this course: Klaus Wehrle, Mesut Güneş, James Gross: Modeling and Tools for Network Simulation, 2010, Springer, ISBN Special book on how to model various layers of the ISO/OSI model for networks simulations Website

17 Simulation tool to use

18 Organizational Lecture Friday, 10 12, Takustr. 9, Room SR 049 Tutorials Thursday, 10 12, Takustr. 9, Room SR 046 Office hours Prof. Güneş: Tuesday, 15:00-16:00h, Takustr. 9, Room 154 Homepage of the class News and updates Literature and Materials 0.18

19 Organizational Tell me and I forget. Show me and I remember. Let me do and I understand. attributed to Confucius 0.19

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